https://www.profi-nn.ru/class/textsanitizer/image/image.js

1
2function imageResize (img, maxWidth)
3{
4	if (img.width > maxWidth && maxWidth > 0) img.width = maxWidth;
5}
6
7function CaricaFoto(img)
8{
9    foto1= new Image();
10    img = encodeURI(img);
11    foto1.src = (img);
12    Controlla(img);
13}
14
15function Controlla(img) 
16{
17	if ( (foto1.width != 0) && (foto1.height != 0) ) {
18 		viewFoto(img);
19	} else {
20		funzione = "Controlla('\"+img+\"')";
21		intervallo = setTimeout(funzione, 20);
22	}
23}
24
25function viewFoto(img) 
26{
27	largh = foto1.width;
28	altez = foto1.height;
29	stringa = "width=" + largh + ",height=" + altez;
30	finestra = window.open ('','', stringa);
31	finestra.document.write ("<html><body leftmargin=0 topmargin=0>");
32	finestra.document.write ("<a href='javascript:this.close()'><img border=0 src=");
33	finestra.document.write (img);
34	finestra.document.write ("></a></body></html>");
35	finestra.document.close();
36	return false;
37}